• Winner! Quick Shot Challenge: What’s the dumbest shooting myth you’ve heard?

    View thread

Gunsmithing cleaning rusty chamber

persistant7500

Private
Full Member
Minuteman
Oct 27, 2009
44
1
56
Buckeye AZ
hello, my son just brought a savage 7mm rem over with a stuck bolt Winchester factory ammo, after I drove the bolt back I found a very scratched case and a rust pitted chamber. Will running a bronze brush in and out of the chamber for a while clean out and polish the chamber, or should I tell him he needs a new barrell?
 
Re: cleaning rusty chamber

I don't believe in pampering rust. When things get that bad, it's time to get drastic.

I would find a large diameter bore brush (muzzleloader brushes could be suitible) and wrap it with strands of steel wool. I would swipe out the chamber with no small degree of prejudice. I would follow that up with a patch soaked in CLR, allowed to sit in the chamber for a significant time. I would rinse and follow that up with ammonia, and then finish up with a more conventional cleaning

The problem with rust is that if you don't get it all the way down to the bare metal, it just keeps coming back.

Greg
 
Re: cleaning rusty chamber

well I kind of decided that all I could do is ruin a ruined barrel so I chucked a cleaning rod in my cordless drill and put a 20 gauge brush on the end and after soaking the whole brush and chamber with bore paste I ran the brush in and out of the chamber for about 5 mins. It shined up real nice, but I don't know if I expanded the chamber dimensions beyond usable, and don't know how to measure it, new cartridges slide right in without any resistance, but they do in my undamaged rifles also. Do they make a chamber overall measurement device that I can use to check or just headspace it and move on? I am afraid that I may have under pressure issues or the brass may not fit into a reloading die. Thank you for all the good advice so far Jeff
 
Re: cleaning rusty chamber

True test will be when you fire a round and see how easy it extracts. Polish up the round before you fire it so you can see the marks the chamber puts on the fired case.

If it come out alright your GTO